PISANETS, S. I. Limit theorems for diffusion-type processes in $R^m$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 10, p. 1371–1378, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5942. Acesso em: 6 dec. 2025.